Schenker Zen 30 vs Rainman Portable 12VDC 34L
Zen 30 costs 3.5× less energy per litre (3.7 against 12.7 Wh/L). Portable 12VDC 34L is about $1,402 cheaper on indicative pricing.
| Spec | Zen 30 | Portable 12VDC 34L |
|---|---|---|
| Brand | Schenker | Rainman |
| Output | 30 L/hr | 26–37 L/hr |
| Power draw | 110 W | 400 W |
| Energy per litre | 3.7 Wh/L | 12.7 Wh/L |
| Run time for 100 L | 3.3 h | 3.2 h |
| Energy for 100 L | 367 Wh | 1,270 Wh |
| Power source | 12/24V DC | 12V DC |
| Configuration | Modular | Portable |
| Membranes | 1 × 2.5×21in | 1 × 40in |
| Indicative price | $6,300 | $4,898 |
| Efficiency rank | 1 of 30 | 23 of 30 |
Highlighted cells mark the better figure on that row alone. Lower is better for energy, run time and price; higher is better for output.
Buy the Zen 30 if…
Your boat runs on solar and every watt-hour is spoken for, because this is the cheaper litre to make; you have no generator and no intention of fitting one.
Get a quote on the Zen 30Buy the Portable 12VDC 34L if…
You want tanks full in the shortest possible run, or you have a genset that is going to run anyway; the purchase price matters more to you than the running cost; you want to lift the whole thing off the boat between trips.
Get a quote on the Portable 12VDC 34LCommon questions
- Which is more efficient, the Zen 30 or the Portable 12VDC 34L?
- The Zen 30, at 3.7 watt-hours per litre against 12.7. Over 100 litres a day that is a difference of about 903 Wh.
- Which makes more water, the Zen 30 or the Portable 12VDC 34L?
- The Portable 12VDC 34L, at 31.5 L/hr against 30. That is 1.1 times the output per hour running.
- Which is cheaper?
- On indicative pricing the Portable 12VDC 34L at $4,898, about $1,402 less than the other. Both figures exclude freight, duty and installation, and Australian dealer pricing normally reads higher.
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